Many high-profile Marathons in Germany are still to come up in 2012. Hamburg and Düsseldorf are over this year but we added them for 2013: Berlin Marathon 30-Sep-2012 http://www.bmw-berlin-marathon.com/en/

DST (Daylight Saving Time)

DST in the USA 2017
Begin: March-12, 2017, @2 am (clocks will be advanced 1 hr).
End: November-5, 2017 @3 am.
Arizona has no DST. During summer Arizona has the same time as California, in winter it has the same time as Colorado.